I am a little confused as to why this has become a dimensional vs. MPI, the 2 do not seem to be to the exclusion of the other, as has been stated, it would seem that they would be done at different times in the process.
I do not understand how HPT the part then visually Inspecting it would really suffice as stress fractures and imperfections are not going to be of a visible nature, and therefore the MPI makes sense as it gives the ability to check for these problems.
As stated Bolts eventually fail, I am sure no one is going to argue that one, I am pretty sure it is well documented that after extended use they do fail, but this is not a reason to avoid doing proper tests and inspections to make the part last as long as possible.
-They who would give up an essential liberty for temporary security, deserve neither liberty or security- Benjamin Franklin
-Whoever appeals to the law against his fellow man is either a fool or a coward. Whoever cannot take care of himself without that law is both. For a wounded man shall say to his assailant, "If I Live, I will kill you. If I Die, You are forgiven." Such is the Rule of Honor.- Lamb of God- Omerta
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